pattison



UNITED STATES PATENT OFFICEQV ROBERT J. PATTISON, OF NEWV YORK, N. Y., ASSIGNOR TO GATHARINE A.

PATTISON, OF SAME PLACE. I

COMPOSITION OF MATTER FOR FIRE AND WATER PROOF COVERING FOR ROOFS AND WALLS, &c.

SPECIFICATION forming part of Letters Patent No. 284,055, dated August 28, 17883. Application filed February 10, 1883 (No specimens.)

To aZZ whom it may concern Be it known that I, ROBERT J. PATTISON,

- 0fthe city, county, and State of New York,

one-third pounds. These ingredients are to be mixed together and poured into a mold, or

put on as a mortar and left until it hardens or sets, or, when molded, subjected to a heat of from 100 to 160 Fahrenheit.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- The herein-described composition of matter,

consisting of mineral wool, plaster-of-paris,

oil, and glue, in about the proportions speci- ROBERT J. PAT-TISON.

WVitnesses:

H. A. WEST, C. SEDGWIOK. 

